add more Systrace to native module / view manager constants

Reviewed By: lexs

Differential Revision: D3739966

fbshipit-source-id: 4ba31aade00852132e528f96252197b823bb58a3

ReactAndroid/src/main/java/com/facebook/react/modules/camera/CameraRollManager.java

@@ -17,9 +17,7 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.nio.channels.FileChannel;
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
-import java.util.Map;
 
 import android.content.ContentResolver;
 import android.content.Context;
@@ -103,11 +101,6 @@ public class CameraRollManager extends ReactContextBaseJavaModule {
     return "RKCameraRollManager";
   }
 
-  @Override
-  public Map<String, Object> getConstants() {
-    return Collections.emptyMap();
-  }
-
   /**
    * Save an image to the gallery (i.e. {@link MediaStore.Images}). This copies the original file
    * from wherever it may be to the external storage pictures directory, so that it can be scanned
@@ -440,5 +433,4 @@ public class CameraRollManager extends ReactContextBaseJavaModule {
       node.putMap("location", location);
     }
   }
-
 }